package multithread;

class Test {
    public int count=0;

    public void add(){
        synchronized (this){
            count++;
        }
    }
    //等价写法
//    synchronized public void add(){
//        count++;
//    }
    synchronized public static void func(){

    }

}
public class ThreadDemo2 {
    public static void main(String[] args) throws InterruptedException {
        Test t =new Test();
        Thread t1 =new Thread(() -> {
            for(int i=0;i<50000;i++){
                t.add();
            }
        });
        Thread t2 =new Thread(() -> {
            for(int i=0;i<50000;i++){
                t.add();
            }
        });
        t1.start();
        t2.start();

        t1.join();
        t2.join();

        System.out.println(t.count);
    }
}
